11144422142 has 16 divisors (see below), whose sum is σ = 19135904352. Its totient is φ = 4768385760.

The previous prime is 11144422117. The next prime is 11144422181. The reversal of 11144422142 is 24122444111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640709 + ... + 657872.

It is an arithmetic number, because the mean of its divisors is an integer number (1195994022).

Almost surely, 2^11144422142 is an apocalyptic number.

11144422142 is a deficient number, since it is larger than the sum of its proper divisors (7991482210).

11144422142 is a wasteful number, since it uses less digits than its factorization.

11144422142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299203.

The product of its digits is 2048, while the sum is 26.

Adding to 11144422142 its reverse (24122444111), we get a palindrome (35266866253).

The spelling of 11144422142 in words is "eleven billion, one hundred forty-four million, four hundred twenty-two thousand, one hundred forty-two".